Outline of Triboro Line proposed by the Regional Plan Association
Conceptual model of transportation dynamics
NYC Boroughs served by the MTA subway system
Number of jobs in each NTA across the Boroughs of Interest
Desire lines for trips across the Boroughs of interest with at least 5000 trips are made
Number of jobs where the trip origin is within the same borough.
Desire lines for the most popular trips that start and end within the borough
Frequency of job counts in each NTAs, standardized by the area of the NTA.
Frequency of job counts in each NTAs, standardized by the area of the NTA and tranformed with a natural log.
Number of jobs in each NTA tract. Job count is calculated from the sum of all trips which end in that NTA. It is standardized by the total area of the NTA. It is also transformed with a natural log.
Global auto-correlation of job count using subway transit time for neighborhood wieghts
Global auto-correlation of job count using driving time for neighborhood wieghts
Global auto-correlation of job count using walking time for neighborhood wieghts
Global auto-correlation of job count using queens contiguity for neighborhood wieghts
Local auto-correlation for job count of NTAs. Each map utilizes a unique neighborhood weighting. Top left uses queen contiguity. Top right uses driving time in traffic and is overlayed with major roads. Bottom left uses walking time. Bottom right uses transit time on the subway and is overlayed with the subway network.
Frequency of commute counts, standardized by the sum of the areas of the commute’s origin and destination NTAs
Frequency of the natural log of commute counts, standardized by the sum of the areas of the commute’s origin and destination NTAs
Boxplot for the number of commutes, factored by the number of subway lines used during the commute. Commutes are transformed by a natural log and standardized by area
Time in transit on the subway plotted against the number of commutes standardized by area. A smoother line is overlayed in blue.
Time in subway transit is transormed by raising it to the power of one-eighth and taking the inverse. Commute count is transformed with the natural log. The values are plotted against each other. A smoother line is overlayed in blue.
Diagnostic plots for the model of transformed subway transit time
Time driving in traffic plotted against the number of commutes standardized by area. A smoother line is overlayed in blue.
Time driving in traffic is transormed by raising it to the power of one-eighth and taking the inverse. Commute count is transformed with the natural log. The values are plotted against each other. A smoother line is overlayed in blue.
Diagnostic plots for the model of transformed driving time
Time spent walking plotted against the number of commutes standardized by area. A smoother line is overlayed in blue.
Time spent walking is transormed by raising it to the power of one-eighth and taking the inverse. Commute count is transformed with the natural log. The values are plotted against each other. A smoother line is overlayed in blue.
Diagnostic plots for the model of transformed walking time
Models for transporation modes. Each model is only plotted from their minimum to maximum observed travel time.
Models of transportation modes, zoomed on the range of 12min to 50mins. This range is seen in the travel time values for each transportation mode.
Hypothetical NTA layout
Hypothetical NTA network
Matrix for hypothetical NTA network
Complement for hypothetical NTA network
Global auto-correlation of commute network
Local autocorrelation for commute network. Top left map shows all confidence types on one map. Top right shows Insignificant clusters. Middle left shows High High clusters. Middle right shows High Low clusters. Bottom left shows Low High clusters. Bottom right shows Low Low clusters
Graph of the top 5% most popular commutes through brooklyn and their interactions with each other. The color of the node reflects its membership in one of three clusters
Geospatial distribution of the top 5% most popular commutes through brooklyn. Left diagram is the confidence type of the commute. Right diagram is commute’s membership in the network cluster